Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 5 - Linear Functions - 5-1 Rate of Change and Slope - Practice and Problem-Solving Exercises: 44

Answer

$x=-6$

Work Step by Step

In order to find the slope, we use the following equation: $ \frac{y_{2}-y_{1}}{x_{2}-x_{1}}$. Thus, we obtain: $ -1/2 =\frac{8-4}{x-2} \\\\ -1/2=\frac{4}{x-2} \\\\ -1/2x+1=4 \\\\ -1/2x=3 \\\\ x=-6$
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